diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/fm/fm.h | 1 | ||||
| -rw-r--r-- | drivers/net/fm/init.c | 44 |
2 files changed, 45 insertions, 0 deletions
diff --git a/drivers/net/fm/fm.h b/drivers/net/fm/fm.h index 38fdbcdc42..5f197a9829 100644 --- a/drivers/net/fm/fm.h +++ b/drivers/net/fm/fm.h @@ -21,6 +21,7 @@ #define TX_PORT_1G_BASE 0x28 #define MAX_NUM_TX_PORT_1G CONFIG_SYS_NUM_FM1_DTSEC #define TX_PORT_10G_BASE 0x30 +#define MIIM_TIMEOUT 0xFFFF struct fm_muram { u32 base; diff --git a/drivers/net/fm/init.c b/drivers/net/fm/init.c index 14fa2ce59c..2d13145f14 100644 --- a/drivers/net/fm/init.c +++ b/drivers/net/fm/init.c @@ -274,3 +274,47 @@ void fdt_fixup_fman_ethernet(void *blob) } #endif } + +/*QSGMII Riser Card can work in SGMII mode, but the PHY address is different. + *This function scans which Riser Card being used(QSGMII or SGMII Riser Card), + *then set the correct PHY address + */ +void set_sgmii_phy(struct mii_dev *bus, enum fm_port base_port, + unsigned int port_num, int phy_base_addr) +{ + unsigned int regnum = 0; + int qsgmii; + int i; + int phy_real_addr; + + qsgmii = is_qsgmii_riser_card(bus, phy_base_addr, port_num, regnum); + + if (!qsgmii) + return; + + for (i = base_port; i < base_port + port_num; i++) { + if (fm_info_get_enet_if(i) == PHY_INTERFACE_MODE_SGMII) { + phy_real_addr = phy_base_addr + i - base_port; + fm_info_set_phy_address(i, phy_real_addr); + } + } +} + +/*to check whether qsgmii riser card is used*/ +int is_qsgmii_riser_card(struct mii_dev *bus, int phy_base_addr, + unsigned int port_num, unsigned regnum) +{ + int i; + int val; + + if (!bus) + return 0; + + for (i = phy_base_addr; i < phy_base_addr + port_num; i++) { + val = bus->read(bus, i, MDIO_DEVAD_NONE, regnum); + if (val != MIIM_TIMEOUT) + return 1; + } + + return 0; +} |